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Text field: autocomplete

Use an autocomplete text field to allow
BlackBerry device
users to select from a changing list of words that match the characters that
they type in the field. Users can select one of the presented matches or
continue typing to further restrict the available choices.

When you create an autocomplete text field, you must associate it with
a
BasicFilteredList object. The
BasicFilteredList supplies the strings to compare
against, which can be hard-coded or derived from data sources on a
BlackBerry
device, such as contacts, memos, and tasks.